| All Country Flags of the World | 0 | - | 5.00 | 3,680,689 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,540,155 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,351 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,437 |
| Flags with Crescents | 0 | - | 4.98 | 170,125 |
| Country Flag Trivia | 0 | - | 4.81 | 57,368 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,149 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,819 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,804 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,499 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,055 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,237 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,423 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,953 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,579 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,771 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,468 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,663 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,839 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,770 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,767 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,776 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,875 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,671 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,306 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,739 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,838 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,238 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,549 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,652 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,001 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,193 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,288 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,159 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,580 |
| Flags of North and South America | 0 | - | 4.99 | 374,373 |
| Flags to Languages | 0 | - | 4.95 | 173,927 |
| Former Flags | 0 | - | 4.97 | 107,980 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,031 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,703 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,645 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,059 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,788 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,937 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,313 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,830 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,848 |
| Flag Maths | 0 | - | 4.64 | 57,792 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,225 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,872 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,068 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,873 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,552 |
| World Coats of Arms | 0 | - | 4.99 | 64,723 |
| Similar Flags #1 | 0 | - | 4.75 | 130,283 |
| Similar Flags #2 | 0 | - | 4.74 | 137,579 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,899 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,056 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 171,981 |
| Emoji Flags | 0 | - | 4.35 | 44,154 |
| Countries by Road Signs | 0 | - | 4.98 | 54,027 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,756 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,348 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,418 |
| Select the World Flags | 0 | - | 4.27 | 37,836 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,173 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,000 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,561 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,265 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,339 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,000 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,586 |
| Countries by Picture #1 | 0 | - | 4.51 | 118,512 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,902 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,008 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,986 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,705 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,923 |
| Pixelated World Map | 0 | - | 5.00 | 143,649 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,242 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,332 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,750 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,276 |
| Boundary Waters | 0 | - | 4.92 | 88,582 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,262 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,287 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,756 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,624 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,597 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,499 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,171 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,661 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,134 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,554 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,114 |
| Geography by Picture - B | 0 | - | 4.42 | 55,677 |
| Geography by Picture - H | 0 | - | 4.50 | 58,282 |
| Geography by Picture - N | 0 | - | 4.45 | 42,252 |
| Geography by Picture - R | 0 | - | 4.56 | 41,072 |
| Geography by Picture - T | 0 | - | 4.54 | 57,902 |
| Flags of Oceania | 0 | - | 5.00 | 260,557 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,721 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 63,171 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,072 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,394 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,994 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,598,143 |
| Flags of WW1 | 0 | - | 4.60 | 38,504 |
| Landlocked Countries | 0 | - | 4.99 | 422,161 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 577,383 |
| Satellite Images #1 | 0 | - | 4.47 | 129,490 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,405 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,994 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,011 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,045 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,186 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,842 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,719 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,038 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,437 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,447 |
| World Capitals Quiz | 0 | - | 5.00 | 5,084,314 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,572 |
| Himalayan Countries | 0 | - | 4.94 | 138,832 |
| Andean Countries | 0 | - | 4.93 | 84,668 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,866 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,905 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,495 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,842 |
| Danube Countries | 0 | - | 4.97 | 72,038 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,045 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,446 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,351 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,835 |
| European Landlocked Countries | 0 | - | 4.99 | 147,165 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,681 |
| Countries with the Most Species | 0 | - | 4.99 | 103,265 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,797 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,605 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,729 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,557 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,247 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,685 |
| Countries in the Alps | 0 | - | 4.87 | 118,235 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,233 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,067 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,674 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,618 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,542 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,961 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,697 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,514 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,194 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,869 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,667 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,540 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,243 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,493 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,546 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,958 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,332 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,031 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,119 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,043 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,182 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,249 |
| Largest Countries By Category | 0 | - | 4.97 | 158,248 |
| Countries by Countries | 0 | - | 4.96 | 63,260 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,712 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,297 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,571 |
| Merged Country Flags | 0 | - | 4.88 | 106,970 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,671 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,046 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,822 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,690 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,780,128 |
| Merged Countries #2 | 0 | - | 4.96 | 99,265 |
| Merged Countries #6 | 0 | - | 4.90 | 73,487 |
| Merged Countries #7 | 0 | - | 4.93 | 82,821 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,729 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,863 |
| Geography by Picture - A | 0 | - | 4.39 | 60,327 |
| Geography by Picture - D | 0 | - | 4.15 | 45,711 |
| Geography by Picture - F | 0 | - | 4.31 | 51,072 |
| Geography by Picture - G | 0 | - | 4.39 | 48,002 |
| Geography by Picture - J | 0 | - | 4.16 | 38,515 |
| Geography by Picture - K | 0 | - | 4.29 | 33,175 |
| Geography by Picture - C | 0 | - | 4.31 | 57,131 |
| Geography by Picture - L | 0 | - | 4.37 | 59,040 |
| Geography by Picture - M | 0 | - | 4.14 | 40,507 |
| Geography by Picture - P | 0 | - | 4.24 | 42,481 |
| Geography by Picture - S | 0 | - | 4.38 | 47,089 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,522 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,501 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,928 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,044 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,302 |
| Longest International Borders | 0 | - | 4.99 | 265,228 |
| Countries with Three Borders | 0 | - | 4.96 | 36,624 |
